Usefull Links

top 100 ajax forms
http://www.noboxmedia.com/top-100-ajax-form-related-scripts-for-2007/

Dynamic add button,textbox
http://viralpatel.net/blogs/2009/01/dynamic-add-textbox-input-button-radio-element-html-javascript.html

21 collection of datepicker
http://www.bitrepository.com/a-collection-of-free-javascript-date-pickers.html

jquery datepicker
http://www.filamentgroup.com/lab/date_range_picker_using_jquery_ui_16_and_jquery_ui_css_framework/

dhtml goodies
http://www.dhtmlgoodies.com/packages/dhtml-suite-for-applications/demos/demo-pane-splitter.html

Upload files into MySQL using php | Internet Resources | Cpworld2000.com
http://www.cpworld2000.com/article/upload-files-into-mysql-using-php/

dhtmlxCalendar - DHTML JavaScript Calendar component
http://www.dhtmlx.com/docs/products/dhtmlxCalendar/

MooTools DatePicker Example
http://www.styledisplay.com/mootoolsdatepicker/

Tabs - jQuery plugin for accessible, unobtrusive tabs
http://stilbuero.de/jquery/tabs/#fragment-3